fix: enum lists are now sets

[mvhenten]

Fixes #21

[Copilot]

Pull request overview

This PR updates the TypeSpec-to-ElectroDB emitter to correctly handle enum arrays by converting them to DynamoDB/ElectroDB "set" types instead of "list" types. This change ensures that enum arrays use the more appropriate set type for storing multiple enum values, which aligns better with DynamoDB's native set data type for storing collections of unique values.

Key changes:

• Modified emitArrayModel function to detect enum arrays and emit them as "set" type with enum values as items
• Added two new enum definitions (PersonStatus and CoffeePreferences) to the test model
• Added comprehensive test coverage for the enum array to set conversion

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
test/main.tsp	Added two new enum types and corresponding fields to the Person model: status (single enum) and coffeePreferences (enum array) to demonstrate and test the new functionality
test/entities.test.js	Added comprehensive test suite for the coffeePreferences enum array field, verifying it's correctly emitted as a set type with the appropriate enum values
src/emitter.ts	Enhanced emitArrayModel function to detect enum element types and emit them as "set" type instead of "list" type, extracting enum values as the set items

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[github-actions]

🎉 This PR is included in version 3.0.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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